How To Fix PQ660 - Unable to delete data

PQ660 - Overview

• Message type: E = Error

• Message class: PQ - HR-PD: Personnel Development

• Message number: 660

• Message text: Unable to delete data

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message PQ660 - Unable to delete data ?

  The SAP error message PQ660, which states "Unable to delete data," typically occurs in the context of the SAP Production Planning (PP) module, particularly when dealing with production orders, planned orders, or other related data. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes of Error PQ660
  
  
  Data Locking: The data you are trying to delete may be locked by another user or process. SAP uses locking mechanisms to prevent data inconsistencies.
  
  
  Dependencies: The data you are attempting to delete may have dependencies or relationships with other data objects. For example, if a production order is linked to a material document or a sales order, it cannot be deleted until those dependencies are resolved.
  
  
  Authorization Issues: The user may not have the necessary authorizations to delete the data. SAP has strict authorization checks, and lacking the right permissions can lead to this error.
  
  
  Status of